Cane-mill.



JClHN l". ON EIL, 0F ST. LOUIS, MISSOURI, ASSIGNOR T0 FULTONIRON WORKS COMPANYMy OF Sill.y LUIS, `.'Il/IIIISSOlURI, A CORPOEATIDN 0F DELAWARE.

CANE-MILL.

1 25'91995' Specification of Letters Patent. Patented Jain. 14, 1919.

Application led January 13, 1917. `Ser1`al-lilo. 142,204.

Iba/inhoudt may concern:

Be it known that LJouN F. ONEIL, a ar)y preerushing rolls 5. y citizen ot the. United States vof America, a The teeth 5El of' the secondary precrushing resident oic the city of St. Louis, State of rolls (Fig. III) are smaller than the teeth Missourihave invented'certain new and Stof the primary precrushing rolls (Fig. useful Improvements in Cane Mills, of II). and they, therefore, are capable of perwiiicli the following is a full, clear.. and exfoi-milicia more complete crushing and act description. reference being1 had to the shreddingl action than that which is per aceonipanyiiipdrawing, forming` a part of formed bv the teeth of the primary pre`- serving to conduct the cane to the secondthis-specification. y t V t Myinventiou relates to a cane inill,iand it Z designates an inclined runway leading has for its object to provide precrushing from 'the secondary precrushingl rolls 5 to means whereby the capacity, juice extracthe mill rolls A. tion, and percentage of sugar yield from the In the practical use of my cane mill, the cane of a caneniill may be lgreatly increased cane to bc crushed is delivered to the inrelative 'to the capacity of such mllls as have clined runway 4 and descends by Vgravity 7g heretofore -been in use. thereon tothe primary preerushing rolls 3. Figure l is a longitudinal section through These rolls are separated from each other part of a cane uiill including a. set of mill a sufficient distance to permit of the con rolls and 'my improved precrushing means. itinuous passagof a large quantity of cane Fig. II is a enlarged longitudinal section between them with resultant initial crushing 4of fragments of the primary preerushing ot the cane, and sutiiclent compression and rolls. illustrating the intermeshing teeth of condensa'. n of the mass of Cane to permit these rolls. i o'f such mass'passing `readily between the,

Fig. UI is view similar to Fig. H of the secondary precrusliing' rolls when such mass sccondarv precrushingr rolls, illustrating the has descended the inclined runway (i be 30 intermeshingF teeth of said secondary rolls. tween the sets of rolls. It will be obvious In the drawings. A designates a set of that the secondary set of precrushing rolls juice expressing rolls' in triangular a-rrangewill readily receive and'erusli the saine nient.. as is customariY in cane mills.` Any quantity of cane as' has passed between the desired number oi such sets of rolls may more widely separated rolls of the primary 35 be used in series following that shown or first set. even though the former are through which the cane may pass after it more closely assembled, this fact being diie has been pi'eci'uslied by passage through my to the initial partial crushing and condenprccrushing means. sation of the cane mass. The secondary set- 1 and 2 designa-te roll housings located in of pi'ccrusbing rolls preferably has smaller 90 front of the rolls A. the housing 2 being loand more. closely associated teeth which act cated nearest the said rolls A and having its not only to furtlier'eompress the cane, but

'Journal boxes at a less elevation than the also to shred it and put 1t in a condition. `Journal boxes in the housing 1. The two which makes it possible for the Vmill rolls A, housings l aud 2 are so mounted on suitable and similar sets of rolls succeeding said 95 supports as to incline forwardly.

The primary housing 1 supports a set of rapidly as 1t is delivered thereto, notwithprimai'y grooved preerusliing rolls 3 be- `standing the fact that the degree of delivtwecn which the cane to be treated first ery is far in excess of the degree of delivpasses as it rides down an inclined runway ery in the ordinary cane mill. 4 leading to said rolls 3. y' The two sets of toothed precrushing rolls 5 designates secondary pree'rushing rolls results', as the'niass of cane passes throufli arranged tandem with the primary rolls 3 the second set of said rolls, in giving to said and more closelv assembled than the latter. mass a rolling or twisting motion'whereby Between the lrolls 3 4and 5 is an inclined the splitting and shredding of said mass is-105 runway 6 onto which the partially crushed facilitated and ybetter prepared for the subcane passes as it emerges om between the sequent operations by the Juice expressing primary precrushing rolls 3, said runway rolls. i i

In consequence of the second set of pre- I. crushing relis being di'erentiated from each other, es the cane passes through the see- .i ond Set of rolls while it is still held between der strain while it is heingshredded b3; the teeth of the several preerushing rolls.. The cene is; therefore, so operate( Aupon 'as .to cause its?l cells to be thoroughly opened up in order that practically all of the juices therein may be drivenfroin the eellsby. the juice expressing rolls of the cane mill.

l. The combination with juice expressing rolls of a cane mill, of a pluralityy of sets of toothed precrushing rolls through which l the cane is passed/before delivery to the juice expressing rolls, said sets of precrushl Iing; rolls being operable in a differentiating L"degree upon the cane to shred and open its celle before the cane reaches the juice expressing rolls.

'2. The combination with juice expressing rolls of a cane mill, of two sets of toothed preerushing` rolls arranged te receive the cane in advance of said juice expressing rolls,l the teeth of the pre'crushing rolls nearest. said juice expressing rolls ,being ur rangedlro-e'lect a twisting action upon the rune as it passes through seid rolls.

3. The combination with juice expressing rolls ota cane mill, of two sets of toothed precrushing rolls in rear of said juice'iexpressing rolls` the teeth of, the' precrushing rolls nearest said juice expressingfrolls becrushing rolls.

lJOHN F. OSNEIL.

ing .smaller lthan the teeth of the other pre- 

